Rapid River Trail
1 days · 20.9 mi · moderate · Point-to-point
Quick facts
What the Rapid River Trail is known for
This 20.9-mile trail in Idaho's Hells Canyon area gains about 2,372 feet. The route is moderate, with a long distance and a meaningful amount of cumulative climbing.
Elevation profile
Elevation ranges from 15,276 ft to 19,849 ft over 20.9 mi. Measured from OSM geometry (approximate).
- Uphill 2.8 mi · 14%
- Downhill 12.3 mi · 60%
- Flat 5.3 mi · 26%
Ridgefold breaks every route into uphill, downhill, and flat — see the full per-day breakdown in the app.
How hard is the Rapid River Trail?
On the Ridgefold Difficulty Index, the Rapid River Trail scores 12/100, a relative rating across the 1,243 trails we've mapped, blending distance, elevation gain, and steepness. It is a comparison within our set, not an official rating.
Frequently asked questions
How much elevation gain is on the Rapid River Trail?
The Rapid River Trail climbs roughly 2,372 ft total — about 113 ft per mile, topping out near 6,076 ft.
Related trails
Sources & attribution
Route geometry from the USDA Forest Service National Forest System Trails dataset (EDW), a work of the US federal government in the public domain. Stats are approximate and may differ from official surveys; permit rules and conditions change — verify with the managing authority before your trip. Last reviewed July 2026.